4. Photocopying
  5. Projection printing and copying cameras
  6. Original moves continuously

Hitoshi Yanagawa

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Apparatus for feeding film

Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent

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Apparatus for retrieving information

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Information retrieval system

Registers – Systems controlled by data bearing records
Patent

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Photographic apparatus

Photocopying – Projection printing and copying cameras – With developing
Patent

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Photographing apparatus

Photocopying – Projection printing and copying cameras – Original moves continuously
Patent

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Profile ID: LFUS-PAI-P-621716

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